Put on your jammies and congregate somewhere cozy.
Snuggle up with whomever is onhand. Cousins are especially nice for reading parties.
Choose a book. It's okay if you've memorized it. The good ones are worth memorizing.
Wait patiently until it's your book's turn to be read.
Books are good for more than just reading. Build a fort with Calvin's Commentaries while you listen.
Show the babies how not too rip library books.
When you get sleepy, finish the chapter and put everyone to bed.